Japanese term that means continuous improvement, taken from words ‘Kai’ means continuous and ‘zen’ means improvement.
Some translate ‘Kai’ to mean change and ‘zen’ to mean good, or for the better.
The same japanese words Kaizen that pronounce as ‘Gai San’ in chinese mean:
Gai= The action to correct.
San= This word is more related to the Taoism or Buddhism Philosophy in which give the definition as the action that ‘benefit’ the society but not to one particular individual. The quality of benefit that involve here should be sustain forever, in other words the ‘san’ is and act that truely benefit the others.